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How an embattled energy storage project in Acton, California, is threatening faster federal permits.
One hour north of Los Angeles, the small town of Acton is experiencing a battery energy storage buildout — and quickly becoming the must-watch frontline in the backlash against lithium-ion energy storage systems. The flashpoint: wildfires.
Like many parts of California, Acton has hot summers with heavy winds, putting it at elevated risk of the kind blaze that makes national headlines. Battery storage fires, while rare, are a unique threat, with relatively little data available about them to help regulators or the public understand the risk. People in Acton wondered: Would they really be safe if a wildfire engulfed a battery storage site, or if a battery failure sparked a new conflagration?
When L.A. County blessed the first battery energy storage system project in Acton last year, developers and local fire officials said they were doing everything in their power to ensure the batteries would meet safety standards. Residents were far from convinced.
“This will turn our community into industrial hell and it’ll erase us from the face of the Earth,” Jacqueline Ayer, a member of Acton’s town council, told me. Ayer is helping lead the local fight against the projects.
I’ve now spent more than a month researching the fight in Acton. In the process, I’ve learned how much — or little — we know about when battery energy storage and wildfires mix. We’ll get to that later in this story. To be honest, debunking battery fire risk wasn’t why I spent a month on Acton. It was what happened when the fears took hold.
Feeling they’d been failed by both the regulatory approval process and the court system, the Acton project’s opponents turned to their representative in Washington, House Republican Mike Garcia. Though Garcia can’t do anything to stop this particular project, he can severely hinder future ones: As Heatmap can exclusively report, after lobbying from Acton, Garcia inserted language into the annual funding bill for the Department of Energy that would block it from implementing a new rule designed to expedite permits for federally funded battery projects.
“What we’re hoping is that [with Garcia] being at the federal level, he’ll shed some light to the people at the top,” said Ruthie Brock of the activist group Acton Takes Action, “because if the top becomes informed, it’ll trickle down to local governments.”
This is why the Acton fight is so important — it demonstrates the risk of failing to obtain community buy-in, which can ricochet in ways no one intended. The political and media environments are quick to sensationalize the downsides of renewable energy, creating a tinderbox atmosphere in which small local fights can quickly become national ones.
On some level, a fight over battery fires going national was inevitable. Across the country, from New York to Washington state, communities are revolting against battery energy storage sites coming to their backyards. Often, those opposed cite the feared threat of fires or explosions.
Fires in battery energy storage systems, a.k.a. BESS, are quite rare. According to what data is available, the number of fires has stayed relatively flat even as deployment has grown drastically. There were fewer than 10 failure events in the U.S. in 2023, and there have been even fewer so far this year.
But when a fire does happen, experts say it can be quite difficult to put out. In some cases, there’s nothing a community can do other than let the blaze run.
“There’s a lack of consensus. There’s a lot of experts out there providing guidance, and that’s something we’re trying to work on with training throughout the country,” Victoria Hutchinson, an engineer with the Fire Protection Research Foundation, told me. “[It’ll] instill some fear in the meantime we figure out the best approach.”
Information on BESS and wildfires is even less available. Guillermo Rein, a professor of fire science and the editor-in-chief of the journal Fire Technology, told me the matter has not really been studied.
“When I say [BESS are] new, I mean really new,” Rein said. “We hardly know how it works when it gets [on] fire and we don’t have many technologies that are proven to work. We have technologies that we wish will work, but proven technologies that work are very rare. That means we have a new hazard we are struggling to understand and in the meantime, we don’t know how to protect against it.”
Los Angeles County approved Acton’s first battery storage system — Humidor, a 300 megawatt project by Hecate Energy — last summer through an expedited “ministerial” process, the local equivalent of a “categorical exclusion” under the National Environmental Policy Act. Ministerial reviews and categorical exclusions are used by regulators to skip the drawn out process of an environmental review because they can reasonably predict a lack of significant impact. Joseph Horvath, a spokesperson for L.A. County Planning, gave me a statement defending the approval and stating BESS projects must meet all local and state zoning and fire codes to receive a ministerial approval.
California had identified the Acton community back in 2021 as a potential site for energy storage to protect against future power shut offs. Acton made sense because it’s close to the SoCal Edison Vincent substation, making it well positioned to connect to the grid. There was also a real sense of urgency: To achieve its goal of 100% carbon-free electricity by 2045, the state estimates it will need to install a projected 52,000 megawatts or more of battery storage. Humidor is the first of what appears to be multiple projects being planned for the area, including two more Hecate facilities according to materials on the company’s website.
Convinced that a battery boom could mix poorly with extreme fire risk, and that the county moved far too fast to approve Humidor, Acton residents sued. The county, they argued, had little reason to conclude the facility would have an insignificant impact on the environment — so few BESS projects have been approved that the county used the standards from a different kind of project — an electrical substation — to draw that conclusion. L.A. County Planning told me they chose this comparison for reasons including the “purpose of BESS and its connection to the larger network for distributive purposes.”
Rein told me that at least when it comes to the fire risk, this isn’t an accurate comparison, and that there’s not actually enough data to claim such a facility would have an insignificant impact. “I would put great efforts into making sure this facility is safe,” he said. “They can’t just say, I met the regulation, I did enough. Because it’s a new hazard.”
Many of those in Acton opposed to the project believe the approval was rushed, and claim that little information was made available to the public as it was going through the county’s process. Furious residents have told county planners that the Acton town council was not notified in advance that an approval was on its way. They testified before the county board of supervisors that Hecate held only a single public meeting to discuss what it intended to build, with little notice given to potentially concerned citizens.
In my experience as a journalist reporting on large energy projects with serious community impacts, transparency is key to getting local buy-in to build a project. For years I covered the mining industry, where innumerable decades of toxic waste spills and labor scandals have forced companies to really innovate and spend serious dough on obtaining “social license to operate,” a term developers and investors use to describe acceptance to a company’s business practices.
This, of course, differs from the YIMBY school of thought that companies and governments should eschew frustrated municipalities to pursue the overriding net good of climate action. There are certainly merits to this argument, especially when it comes to communities that won’t take yes for an answer, and we’ll be exploring case studies supporting that view in future editions of The Fight.
I’m on the fence about whether Acton is one of those cases, though. Ayer, an environmental engineer by trade, told me she supports decarbonization and wants to see climate action happen. She just wants to feel assured the technology is safe.
If it wasn’t a lithium-ion battery storage facility “I would feel comfortable,” she said. “We will shoulder some of the weight. But it isn’t right that we shoulder all of the weight.”
When I tried to talk to Hecate about Acton’s wildfire concerns and how the company had engaged with the community, a company spokesperson, Bobby Howard, declined to make anyone available for an interview citing “ongoing litigation related to the subject.” Howard provided a factbook that said only that Humidor would “meet or exceed” local and state fire codes — without specifying which codes — and detailed some of the outreach the company did, including the public meeting as well as mailers to “thousands of individuals throughout the greater Los Angeles area, including civically engaged individuals throughout Acton.”
Howard declined to answer questions requesting more information about the company’s public outreach and wildfire planning. He did tell the Los Angeles Times earlier this year that Humidor would have “seismic bracing, safety zones around the perimeter, substantial setbacks from parcel boundaries, gravel breaks and a masonry wall around the facility.”
Stanford University senior research scholar and legal energy expert Michael Wara explained to me that in cases like these, having buy-in from the community is important to avoiding litigation and social blowback. “That is losing,” Wara said. “You have not served your client if you end up in litigation.”
“Having a process by which people are informed about a project and have an opportunity to provide input is important for buy-in for all kinds of projects related to the energy transition if you want to build in a democratic society,” he said. “Is it really the fire risk the community is concerned about?”
When it comes to the Acton battery fight, it’s the fears of fire that scare me the most, not the fire itself.
I sought reasons to be optimistic about putting battery energy storage in areas like Acton that are prone to wildfire because, well, California is essentially one big fire risk zone. James Campbell, a wildfire policy expert at the Federation of American Scientists, told me that battery energy storage decreases net wildfire risk compared to gas storage tanks and pipelines. “If we consider the whole-climate trade-offs, battery systems are much safer,” he said.
On its end, Hecate claimed in a letter to the L.A. County Board of Supervisors that a BESS fire has never traveled off-site, and that because the fires are fueled by flammable gasses, there is minimal risk of embers traveling elsewhere and igniting grass or bushes. The company pointed me to this letter when I reached out for comment.
“Nothing about fire risk mitigation is about certainty. It’s more, risk mitigation and fire is kind of like wearing a seatbelt,” Wara told me. “If you’re going 120 miles an hour down the highway and you get in a high-speed collision, your seatbelt will not save you. [But] there’s rapid advances in how these systems work.”
In the end, he added, meeting California’s carbon emissions targets will “probably mean building somewhere that there is non-trivial wildfire risk.”
What’s happening to offshore wind should be a cautionary tale for developers considering whether sinking time and money into community relations is really worth it: Last year, coastal fishermen and beach town mayors in New Jersey joined forces with fossil fuel funding and right-wing agitators to foment a conspiracy-infused campaign against offshore wind that has truly rattled the future of the industry.
Part of that offshore wind backlash grew out of New Jersey Republicans in Congress using the pulpit of their offices and filing amendments to legislation. As Garcia takes up Acton’s cause, I do wonder whether battery energy storage might be next. November’s election makes it less likely his language hindering expedited approvals for BESS projects will make it into the final funding bill, and Garcia’s office did not respond to requests to discuss its prospects.
But regardless, it’s an ember that could become a fire of its own.
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Moss Landing is turning into a growing problem for the energy storage industry.
The Moss Landing battery fire now may be the storage industry’s East Palestine moment – at least in California.
In the weeks since Vistra’s battery plant south of San Francisco caught fire on January 16, at least two lawsuits have been filed against Vistra, PG&E, and battery manufacturer LG Chem by people and business owners claiming damages from the blaze. I have learned at least one more will be filed by individuals who’ve conducted headline-grabbing soil samples that found toxic metals.
Meanwhile, towns and counties up and down the California coastline have banned new battery storage projects and requested more control from the state over permitting and operating them.
At the granular level, circumstances look even more tense. Santa Barbara County this week voted to proactively plan for the potential enactment of legislation before the California state assembly that would let localities be the decider on battery storage, instead of state authorities. The bill is scheduled for its first hearing in the assembly’s utility committee in early April. County officials voted to act essentially like it will become the law of the land, despite testimony from local community services staff noting how unique the Moss Landing event was.
What was especially stark to me: Robert Shaw – CEO of local utility Central Coast Community Energy – spoke before the supervisors and made it clear lots of additional storage would be required for the company to meet its 2030 climate commitments. He explained that storage has to be close to where the energy load is in order to avoid costly transmission lines, telling the board that “in order to operate, they’ve got to add reliability to the grid – but they’ve also got to be affordable.”
Now, today, we’re expecting new regulations arising from California’s battery fire fears: the Public Utilities Commission will vote to adopt proposed recommendations for battery storage siting requirements. This will include requirements for emergency response and action plans after battery fires and new standards for safe operation. A vote to adopt these recommendations is scheduled later this afternoon and advocates in California tell me they anticipate no hiccups.
So why such a profound local revolt? How did California rapidly deploy battery storage only to veer into possibly emboldening local control, which certainly may make residents feel better but would also stall the pace of the energy transition?
I’ve spent the last week looking into it and the simplest explanation is this: Moss Landing still feels like a disaster zone. Residents miles away from where the blaze occurred are suffering mysterious illnesses, like random bloody noses and headaches, and medical issues they suspect is related to the fire, such as a random metallic taste. I’ve seen the pictures of skin that looks burned and heard the voices of people who say they no longer have most of their voice after inhaling airborne substances after the event. Locals are routinely posting online about how they’re extremely disappointed with the government’s response, especially state and federal officials, and at the end of the day, no matter the cause, word of such profound and lasting suffering can spread across the internet like, well, a wildfire.
The industry also clearly believes opposition is growing because of misunderstandings about how Moss Landing was a singular incident – most battery storage sites are outdoors and use battery chemistries that offer less risk of a “thermal runaway” event, which is the term of art used to describe the uncontrolled fire spread that can occur at a battery storage site.
Renewables trade group American Clean Power gathered media last week for a virtual briefing to discuss battery safety, during which the group’s vice president of energy storage Noah Roberts sought to reassure the public and said the organization is “working to ensure that an event like this doesn’t happen in the future and do not anticipate an event like this will happen in the future.”
“This battery storage project was located within a retrofitted power plant from the 1950s and very much represents a global anomaly,” Roberts said, adding that “this incident and its impact is not something we have previously seen.”
None of this is stopping Moss Landing from becoming a galvanizing event. I’ve learned that activists on the ground and their attorneys are receiving a flood of inquiries from individuals fighting battery projects elsewhere in the United States.
“You’re going to feel absolutely like guinea pigs — and, unfortunately, you are because protocols weren’t in place,” environmental activist Erin Brockovich told affected residents at a public virtual town hall I attended late Tuesday night. Brockovich encouraged anyone who believes they were impacted by the battery fire to work publicly and behind the scenes to get the local control legislation in the state assembly passed. “Your input, hundreds and hundreds of you, on this legislation can help change the course for many communities in California in the future, on where [BESS] is built, how far away. Are they not going to be built?”
Knut Johnson, an attorney who is representing victims in one of the lawsuits, told me he believes this story should ultimately go national with seismic ramifications for the storage industry. He also told me he’s “curious to see how the Trump administration responds to this.” Johnson put the webinar on with Brockovich, who, he told me, is acting as a paralegal assisting with the case.
“This was so sudden and unexpected and following several years of magical thinking where they weren’t preparing for this possibility,” he said of the developers and state officials.
And more of the week’s top conflicts around renewable energy.
1. Nantucket County, Massachusetts – Welcome to the Vineyard Wind lawsuit 2.0.
2. Carroll County, Maryland – Carroll County commissioners are intervening in the state permitting fight over two relatively small solar projects, in what has become a wider proxy battle between the county and the state over solar on farmland.
3. Barren County, Kentucky – Somehow this large-scale 100-megawatt solar farm proposed by Geenex is having an easier time in Kentucky than in Maryland. Why?
4. Osage County, Oklahoma – A federal judge paused the removal of the Enel wind farm that was ordered last year to be removed over opposition from Native tribes.
5. Albany County, Wyoming – It seems the conservative anti-renewables advocates working against offshore wind are quietly involved in fighting Repsol’s Rail Tie wind project in Wyoming.
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Today’s conversation is with Samantha Levy, senior policy manager for conservation and energy at American Farmland Trust, an agriculture and energy advocacy organization I became familiar with through covering the conflict over solar on farmland. I reached out to Levy after the organization released new recommendations for agrivoltaics policy last week – just before a large agrivoltaics project was canceled in Ohio over local opposition. I wanted to ask: are there any bright spots for the future of solar and farms commingling?
Today’s conversation was lightly edited for clarity.
So let’s start with the news – what are your recommendations on agrivoltaics?
A few years ago we came up with Smart Solar principles, modeled off of this idea of “smart growth” rather than this idea of sprawled development that makes it harder for farms to operate. It’s “smart solar.”
The four principles are: One, to prioritize siting on the built-in environment, contaminated land, and marginal farmland, because there’s this natural funneling that happens towards really good, flat, open sunny farmland – the best land for growing crops sometimes.
The second principle is to safeguard soils and water. If you are siting solar on your farmland, make sure you’re retaining the ability to farm that land ideally during the life of the project but certainly in the future. That covers stuff like design, installation practices, decommissioning plans. Making sure that if you have water rights they’re not extinguished by not using them.
The third principle is to expand the development of agrivoltaics projects, integrating production into a solar array so you’re not converting the land and are still contributing to the rural farm economy.
Finally, [fourth] is advancing farm viability and equity.
Where are you seeing positive developments? Success stories?
In terms of policy, it’s important to look at the state level. We’re not really sure how this is going to play out at the federal level just yet. But there’s quite a lot of hope: a lot of states have climate laws on the books with renewable energy targets they need to meet. At the same time, this conflict is real. It stops projects. It’s not the only issue that comes up with communities but it is one of them. [We want to] make sure that we don’t stop projects and get good projects built because we know there are benefits that come about because of them.
In Massachusetts, you have a fairly significant energy adder – an increase to the price paid to the developer for the energy they produce – from an agrivoltaics project when they meet state specifications. Or take the state of Colorado, for instance, funding research into agrivoltaics and is now moving forward with property tax credits for agrivoltaics projects. And they’re designing that policy in a very thoughtful way to incentivize innovative designs for agrivoltaics projects.
In New York we’ve worked on a lot of policy to advance this idea. NYSERDA last year put out an RFP to advance research and collect data on different agrivoltaics projects. New York also has a small mitigation fee that they impose on projects of a certain size that convert prime farmland, but there’s fee forgiveness if you’re going to integrate production into that solar array.
I’m thinking about the agrivoltaics project in Ohio, Grange Solar, that was canceled last week. Do we know yet the extent to which agrivoltaics is actually accepted by agricultural communities where solar on farmland is a concern?
No community is a monolith but we do have some data on this. SEIA [Solar Energy Industries Association] and the National Farmers Union teamed up on a survey we helped do outreach on and there were some really promising results from the farmers who responded to the survey. There could’ve been self selection, but it was promising.
Look, this is a newer idea. It takes time for these kinds of innovations to penetrate and for folks to accept them, especially in farm communities. But this survey showed two-thirds of farmers who responded were open to agrivoltaics production and solar developers who used to be quite risk adverse, used to being more cautious when it comes to agrivoltaics, are starting to be more open to the idea. Especially if this is the kind of thing communities are going to like more than a conventional ground-mounted array.
There are a lot of questions still to answer. The policymaking still really does matter.